Pada gambar berikut, hitunglah panjang x !
m₁² = 1² + 2²
= 1 + 4
= 5
m₁ = √5
m₂² = 1² + (√5 )²
= 1 + 5
= 6
m₂ = √6
m₃² = 1² + (√6 )²
= 1 + 6
= 7
m₃ = √7
m₄ = 1² + (√7 )²
= 1 + 7
= 8
m₄ = √8
m₅(x) = 1² + (√8 )²
= 1 + 8
= 9
x = √9
= 3
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